Celotex 150mm XR4150 Insulation Board 2400mm x 1200mm
Introducing the Celotex XR4150, a versatile multi-purpose insulation board designed for a range of applications such as pitched roofs, flat roofs, solid floors, masonry walls, and steel or timber framed systems. Crafted from durable polyisocyanurate (PIR), this board is not only robust but also easy to handle, cut, and shape.
This high-performance insulation board boasts exceptional thermal efficiency, featuring an impressive thermal conductivity of 0.022 W/mK. Surpassing market standards, it effortlessly meets the required uValue while maintaining a thinner profile compared to similar products.
£64.77 Excl. VAT £58.29 Excl. VAT
In stock


Delivery Service Area
The map below illustrates the zone regions of East Anglia where we currently offer delivery services for our general goods and bulk items, utilizing a fleet of heavy goods vehicles and small canters, all equipped with Hiab cranes to facilitate easy access.
For more information on delivery zone postcodes, restrictions and access requirements click the following link:
Delivery Policy
Delivery Charges
Zone 1 Order Value £0 - £99.99 | £12.00 |
Zone 1 Order Value £100+ | FREE DELIVERY |
Zone 2 Order Value £0 - £49.99 | £20.00 |
Zone 2 Order Value £50.00- £99.99 | £12.00 |
Zone 2 Order Value £100+ | FREE DELIVERY |
Zone 3 Order Value £0 - £ 149.99 | £20.00 |
Zone 3 Order Value £150+ | FREE DELIVERY |

Celotex XR4150 General Purpose PIR Insulation Board – 2400 X 1200 X 150mm
- Dimensions: 2400mm length x 1200mm width x 150mm thickness
- Coverage: 2.88m²
- Top-quality PIR insulation board
- Outstanding thermal performance
- Lightweight, quick, and easy to install
- Suitable for roof, wall, and floor applications
- Low emissivity foil facings for enhanced thermal insulation in cavity air spaces
- CS(10Y)150 compressive strength (kPa)
- R-Value: 6.80m²K/W
- Maximum weight: 6.10kg/m²
Elevate your insulation game with Celotex XR4150, a reliable choice offering top-notch performance in a sleek, space-saving design.
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